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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Toward a storage ring coherent light source based on an angular dispersion-induced microbunching scheme.

Changliang Li¹, Bocheng Jiang², Chao Feng¹

¹Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, People's Republic of China.

Journal of Synchrotron Radiation

|December 19, 2024

Summary

This summary is machine-generated.

This study presents a novel storage-ring light source design using reversible angular dispersion-induced microbunching (ADM) and a damping storage ring to achieve high-repetition-rate coherent radiation. Simulations show successful 20th harmonic generation with a 438 kHz repetition rate.

Keywords:

angular dispersion modulation coherent radiation damping wigglers dispersion-induced microbunching modulation–demodulation section storage rings

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Area of Science:

Particle accelerators
Light sources
Coherent radiation generation

Background:

Storage-ring-based light sources are crucial for advanced research.
Achieving high repetition rates for longitudinal coherent radiation presents significant challenges.
Reversible angular dispersion-induced microbunching (ADM) offers a promising approach for coherent radiation.

Purpose of the Study:

To present a prototype design for a test facility for coherent radiation generation.
To investigate the feasibility of integrating ADM into a storage ring without a bypass line.
To optimize the design for high repetition rates and efficient harmonic generation.

Main Methods:

A prototype storage ring test facility design is presented.
The modulation-demodulation section is integrated into a long straight section of the storage ring.
A 1030 nm seed laser is utilized for reversible ADM, and simulations are performed.

Main Results:

Simulations achieved 20th harmonic radiation with a bunching factor of 7.2%.
Single-pass growth rates for vertical emittance and energy spread were 11% and 0.02%, respectively.
A repetition rate of 438 kHz for coherent radiation was achieved at equilibrium with damping wigglers.

Conclusions:

The proposed design successfully integrates reversible ADM into a storage ring, avoiding complex injection/extraction systems.
The use of a 1030 nm seed laser simplifies lattice design and utilizes mature technology.
The facility demonstrates the potential for high-repetition-rate coherent radiation generation from storage rings.